//
//  ========================================================================
//  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.plus.annotation;

import java.util.HashMap;

import javax.servlet.ServletException;

import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;


/**
 * RunAsCollection
 *
 *
 */
public class RunAsCollection
{
    private static final Logger LOG = Log.getLogger(RunAsCollection.class);

    public static final String RUNAS_COLLECTION = "org.eclipse.jetty.runAsCollection";
    private HashMap<String, RunAs> _runAsMap = new HashMap<String, RunAs>();//map of classname to run-as
  
    
    
    public void add (RunAs runAs)
    {
        if ((runAs==null) || (runAs.getTargetClassName()==null)) 
            return;
        
        if (LOG.isDebugEnabled())
            LOG.debug("Adding run-as for class="+runAs.getTargetClassName());
        _runAsMap.put(runAs.getTargetClassName(), runAs);
    }

    public RunAs getRunAs (Object o)
    throws ServletException
    {
        if (o==null)
            return null;
        
        return (RunAs)_runAsMap.get(o.getClass().getCanonicalName());
    }
    
    public void setRunAs(Object o)
    throws ServletException
    {
        if (o == null)
            return;
        
        if (!ServletHolder.class.isAssignableFrom(o.getClass()))
            return;
      
        RunAs runAs = (RunAs)_runAsMap.get(o.getClass().getName());
        if (runAs == null)
            return;
        
        runAs.setRunAs((ServletHolder)o);
    }

}
